DIODES MMBT6427 Datasheet
Features
MMBT6427
NPN SURFACE MOUNT DARLINGTON TRANSISTOR
· Epitaxial Planar Die Construction
· Ideal for Medium Power Amplification and
Switching
· High Current Gain
Mechanical Data
· Case: SOT-23, Molded Plastic
· Case material - UL Flammability Rating
Classification 94V-0
· Moisture sensitivity: Level 1 per J-STD-020A
· Terminals: Solderable per MIL-STD-202,
Method 208
· Terminal Connections: See Diagram
· Marking (See Page 2): K1D
· Ordering & Date Code Information: See Page 2
· Weight: 0.008 grams (approx.)
Maximum Ratings
@ TA= 25°C unless otherwise specified
E
B
C
TOP VIEW
G
H
B
A
B
C
E
D
K
J
L
C
E
M
SOT-23
Dim Min Max
A
0.37 0.51
B
1.20 1.40
C
2.30 2.50
D
0.89 1.03
E
0.45 0.60
G
1.78 2.05
H
2.80 3.00
J
0.013 0.10
K
0.903 1.10
L
0.45 0.61
M
0.085 0.180
a
0° 8°
All Dimensions in mm
Characteristic Symbol MMBT6427 Unit
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current - Continuous (Note 1)
Power Dissipation (Note 1)
Thermal Resistance, Junction to Ambient (Note 1)
Operating and Storage and Temperature Range
Electrical Characteristics
@ TA = 25°C unless otherwise specified
V
V
V
R
Tj,T
CBO
CEO
EBO
I
C
P
d
qJA
STG
40 V
40 V
12 V
500 mA
300
mW
417 °C/W
-55 to +150 °C
Characteristic Symbol Min Max Unit Test Condition
OFF CHARACTERISTICS (Note 2)
Collector-Base Breakdown Voltage
Collector-Emitter Breakdown Voltage
Emitter-Base Breakdown Voltage
Collector Cutoff Current
Collector Cutoff Current
Emitter Cutoff Current
V
(BR)CBO
V
(BR)CEO
V
(BR)EBO
I
CBO
I
CEO
I
EBO
40 ¾ V
40 ¾ V
12 ¾ V
¾ 50 nA
¾ 1.0 mA
¾ 50 nA
= 100mA, IE = 0
I
C
IC= 100mA, IB = 0
IE = 10mA, IC = 0
VCB = 30V, IE= 0
VCE= 25V, IB = 0
VEB= 10V, IC = 0
ON CHARACTERISTICS (Note 2)
DC Current Gain
Collector-Emitter Saturation Voltage
Base- Emitter Saturation Voltage
Base- Emitter On Voltage
h
V
CE(SAT)
V
BE(SAT)
V
BE(ON)
10,000
FE
20,000
14,000
¾
100,000
200,000
140,000
1.2
1.5
¾ 2.0 V
¾ 1.75 V
IC = 10mA, VCE = 5.0V
IC = 100mA, VCE= 5.0V
¾
IC = 500mA, VCE = 5.0V
IC= 50mA, IB = 0.5mA
V
IC = 500mA, IB = 0.5mA
IC = 500mA, IB = 0.5mA
IC = 50mA, VCE =5.0V
SMALL SIGNAL CHARACTERISTICS
= 10V, f = 1.0MHz, IE = 0
Output Capacitance
Input Capacitance
C
obo
C
ibo
8.0 Typical pF
15 Typical pF
V
CB
= 0.5V, f = 1.0MHz, IC = 0
V
EB
Note: 1. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout
document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
2. Short duration test pulse used to minimize self-heating effect.
DS30048 Rev. 3 - 2 1 of 2 MMBT6427
www.diodes.com
Ordering Information
(Note 3)
Device
MMBT6427-7
Notes: 3. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Packaging Shipping
SOT-23 3000/Tape & Reel
Marking Information
K1D = Product Type Marking Code
YM = Date Code Marking
Y = Year ex: N = 2002
YM
M = Month ex: 9 = September
2005 2006 2007 2008 2009
Aug Sep Oct Nov Dec
ST U VW
89 O ND
Date Code Key
Year 1998 1999 2000 2001 2002 2003 2004
Code
Month Jan Feb March Apr May Jun Jul
Code
K1D
JKLMNPR
1234567
DS30048 Rev. 3 - 2 2 of 2 MMBT6427
www.diodes.com
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